Question

If the resulting external force acting on system is zero then of the system is constant and if the resultant external torque acting on a system is zero then $\ldots \ldots \ldots \ldots \ldots$ of the system is constant. (a) total energy, angular momentum (b) liner momentum, angular momentum (c) liner momentum, energy (d) angular and linear momentum

Name: Problem 42, Chapter 1: JEE Physics
Uploaded: 2021-10-04T18:59:33-08:00
Duration: 2 min 36 s
Channel: Mirza Aslam Beig
Description: If the resulting external force acting on system is zero then of the system is constant and if the resultant external torque acting on a system is zero then ……………of the system is constant. (a) total energy, angular momentum (b) liner momentum, angular momentum (c) liner momentum, energy (d) angular and linear momentum

   If the resulting external force acting on system is zero then of the system is constant and if the resultant external torque acting on a system is zero then $\ldots \ldots \ldots \ldots \ldots$ of the system is constant.
(a) total energy, angular momentum
(b) liner momentum, angular momentum
(c) liner momentum, energy
(d) angular and linear momentum

JEE Physics

StemEZ 1st Edition

Chapter 1, Problem 42

Instant Answer

Solved by Expert Mirza Aslam Beig

10/04/2021

Step 1

According to Newton's second law, the rate of change of linear momentum is directly proportional to the external force. If the external force is zero, it implies that the rate of change of linear momentum is zero. Hence, the linear momentum of the system is Show more…

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If the resulting external force acting on system is zero then of the system is constant and if the resultant external torque acting on a system is zero then $\ldots \ldots \ldots \ldots \ldots$ of the system is constant. (a) total energy, angular momentum (b) liner momentum, angular momentum (c) liner momentum, energy (d) angular and linear momentum

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Key Concepts

Linear Momentum

Linear momentum is the product of the mass and velocity of an object or system. According to Newton's second law, if no net external force acts on a system, the linear momentum remains constant over time. This principle underlies the conservation of linear momentum, which is fundamental in analyzing collisions and interactions in isolated systems.

Angular Momentum

Angular momentum is the rotational equivalent of linear momentum, representing the product of an object's moment of inertia and its angular velocity. The law of conservation of angular momentum states that if the net external torque acting on a system is zero, the total angular momentum of the system remains constant. This concept is key in understanding the behavior of rotating bodies and systems.

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